Trace number 3387120

Some explanations

A solver is run under the control of another program named runsolver. runsolver is in charge of imposing the CPU time limit and the memory limit to the solver. It also monitors some information about the process. The trace of the execution of a solver is divided into four (or five) parts:
  1. SOLVER DATA
    This is the output of the solver (stdout and stderr).
    Note that some very long lines in this section may be truncated by your web browser ! In such a case, you may want to use the "Download as text" link to get the trace as a text file.

    When the --timestamp option is passed to the runsolver program, each line output by the solver is prepended with a timestamp which indicates at what time the line was output by the solver. Times are relative to the start of the program, given in seconds. The first timestamp (if present) is estimated CPU time. The last timestamp is wall clock time.

    As some 'v lines' may be very long (sometimes several megabytes), the 'v line' output by your solver may be split on several lines to help limit the size of the trace recorded in the database. In any case, the exact output of your solver is preserved in a trace file.
  2. VERIFIER DATA
    The output of the solver is piped to a verifier program which will search a value line "v " and, if found, will check that the given interpretation satisfies all constraints.
  3. CONVERSION SCRIPT DATA (Optionnal)
    When a conversion script is used, this section shows the messages that were output by the conversion script.
  4. WATCHER DATA
    This is the informations gathered by the runsolver program. It first prints the different limits. There's a first limit on CPU time set to X seconds (see the parameters in the trace). After this time has ellapsed, runsolver sends a SIGTERM and 2 seconds later a SIGKILL to the solver. For safety, there's also another limit set to X+30 seconds which will send a SIGXPU to the solver. The last limit is on the virtual memory used by the process (see the parameters in the trace).
    Every ten seconds, the runsolver process fetches the content of /proc/loadavg, /proc/pid/stat and /proc/pid/statm (see man proc) and prints it as raw data. This is only recorded in case we need to investigate the behaviour of a solver. The memory used by the solver (vsize) is also given every ten seconds.
    When the solver exits, runsolver prints some informations such as status and time. CPU usage is the ratio CPU Time/Real Time.
  5. LAUNCHER DATA
    These informations are related to the script which will launch the solver. The most important informations are the command line given to the solver, the md5sum of the different files and the dump of the /proc/cpuinfo and /proc/meminfo which provides some useful information on the computer.

Solver answer on this benchmark

Solver NameAnswerCPU timeWall clock time
minisat hack: cir_minisat 2011-05-13 (simp)UNSAT 0.219966 0.236863

General information on the benchmark

NameAPPLICATIONS/bitverif/
minandmaxor/minandmaxor016.cnf
MD5SUM12a87f636ffe8e3dae243dd6ce90cac8
Bench CategoryAPPLICATION (applications instances)
Best result obtained on this benchmarkUNSAT
Best CPU time to get the best result obtained on this benchmark0.159975
Satisfiable
(Un)Satisfiability was proved
Number of variables4271
Number of clauses12620
Sum of the clauses size29444
Maximum clause length3
Minimum clause length1
Number of clauses of size 12
Number of clauses of size 28412
Number of clauses of size 34206
Number of clauses of size 40
Number of clauses of size 50
Number of clauses of size over 50

Solver Data 

0.18/0.23	c WARNING: for repeatability, setting FPU to use double precision
0.18/0.23	s UNSATISFIABLE

Verifier Data 

No possible verification on an UNSAT instance

Watcher Data 

runsolver Copyright (C) 2010-2011 Olivier ROUSSEL

This is runsolver version 3.3.0 (svn: 961)

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

command line: BIN/runsolver --timestamp -w /tmp/evaluation-result-3387120-1305591868/watcher-3387120-1305591868 -o /tmp/evaluation-result-3387120-1305591868/solver-3387120-1305591868 -C 5000 -W 5100 -M 15500 HOME/cir_minisat HOME/instance-3387120-1305591868.cnf 

running on 4 cores: 0,2,4,6

Enforcing CPUTime limit (soft limit, will send SIGTERM then SIGKILL): 5000 seconds
Enforcing CPUTime limit (hard limit, will send SIGXCPU): 5030 seconds
Enforcing wall clock limit (soft limit, will send SIGTERM then SIGKILL): 5100 seconds
Enforcing VSIZE limit (soft limit, will send SIGTERM then SIGKILL): 15872000 KiB
Enforcing VSIZE limit (hard limit, stack expansion will fail with SIGSEGV, brk() and mmap() will return ENOMEM): 15923200 KiB
Current StackSize limit: 10240 KiB


[startup+0 s]
/proc/loadavg: 3.03 3.05 3.01 3/489 1061
/proc/meminfo: memFree=21115244/32951124 swapFree=46575272/67111528
[pid=1061] ppid=1059 vsize=11796 CPUtime=0 cores=0,2,4,6
/proc/1061/stat : 1061 (runsolver) R 1059 1061 735 0 -1 4202560 40 0 0 0 0 0 0 0 23 0 1 0 403378054 12079104 50 33554432000 4194304 5432360 140733885567984 18446744073709551615 4881623 0 2147483391 4096 24578 0 0 0 17 6 0 0 0
/proc/1061/statm: 2949 50 30 303 0 2643 0

[startup+0.0358011 s]
/proc/loadavg: 3.03 3.05 3.01 3/489 1061
/proc/meminfo: memFree=21115244/32951124 swapFree=46575272/67111528
[pid=1061] ppid=1059 vsize=16740 CPUtime=0.01 cores=0,2,4,6
/proc/1061/stat : 1061 (cir_minisat) R 1059 1061 735 0 -1 4202496 948 0 0 0 1 0 0 0 23 0 1 0 403378054 17141760 782 33554432000 4194304 4300288 140736101194240 18446744073709551615 4279009 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/1061/statm: 4185 782 221 26 0 817 0
Current children cumulated CPU time (s) 0.01
Current children cumulated vsize (KiB) 16740

[startup+0.100824 s]
/proc/loadavg: 3.03 3.05 3.01 3/489 1061
/proc/meminfo: memFree=21115244/32951124 swapFree=46575272/67111528
[pid=1061] ppid=1059 vsize=17404 CPUtime=0.08 cores=0,2,4,6
/proc/1061/stat : 1061 (cir_minisat) R 1059 1061 735 0 -1 4202496 1137 0 0 0 8 0 0 0 23 0 1 0 403378054 17821696 879 33554432000 4194304 4300288 140736101194240 18446744073709551615 4256031 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/1061/statm: 4351 879 240 26 0 983 0
Current children cumulated CPU time (s) 0.08
Current children cumulated vsize (KiB) 17404

Solver just ended. Dumping a history of the last processes samples

[startup+0.200798 s]
/proc/loadavg: 3.03 3.05 3.01 3/489 1061
/proc/meminfo: memFree=21115244/32951124 swapFree=46575272/67111528
[pid=1061] ppid=1059 vsize=18424 CPUtime=0.18 cores=0,2,4,6
/proc/1061/stat : 1061 (cir_minisat) R 1059 1061 735 0 -1 4202496 1360 0 0 0 18 0 0 0 23 0 1 0 403378054 18866176 1085 33554432000 4194304 4300288 140736101194240 18446744073709551615 4255750 0 0 4096 8388610 0 0 0 17 2 0 0 0
/proc/1061/statm: 4606 1085 242 26 0 1238 0
Current children cumulated CPU time (s) 0.18
Current children cumulated vsize (KiB) 18424

Child status: 20
Real time (s): 0.236863
CPU time (s): 0.219966
CPU user time (s): 0.216967
CPU system time (s): 0.002999
CPU usage (%): 92.8663
Max. virtual memory (cumulated for all children) (KiB): 18424

getrusage(RUSAGE_CHILDREN,...) data:
user time used= 0.216967
system time used= 0.002999
maximum resident set size= 0
integral shared memory size= 0
integral unshared data size= 0
integral unshared stack size= 0
page reclaims= 1392
page faults= 0
swaps= 0
block input operations= 0
block output operations= 0
messages sent= 0
messages received= 0
signals received= 0
voluntary context switches= 4
involuntary context switches= 2

runsolver used 0.003999 second user time and 0.013997 second system time

The end

Launcher Data 

Begin job on node107 at 2011-05-17 02:24:28
IDJOB=3387120
IDBENCH=70767
IDSOLVER=1873
FILE ID=node107/3387120-1305591868
RUNJOBID= node107-1305586739-753
PBS_JOBID= 13350371
Free space on /tmp= 73216 MiB

SOLVER NAME= minisat hack: cir_minisat 2011-05-13 (simp)
BENCH NAME= SAT09/APPLICATIONS/bitverif/minandmaxor/minandmaxor016.cnf
COMMAND LINE= HOME/cir_minisat BENCHNAME
RUNSOLVER COMMAND LINE= BIN/runsolver --timestamp -w /tmp/evaluation-result-3387120-1305591868/watcher-3387120-1305591868 -o /tmp/evaluation-result-3387120-1305591868/solver-3387120-1305591868 -C 5000 -W 5100 -M 15500  HOME/cir_minisat HOME/instance-3387120-1305591868.cnf

TIME LIMIT= 5000 seconds
MEMORY LIMIT= 15500 MiB
NBCORE= 4

MD5SUM BENCH= 12a87f636ffe8e3dae243dd6ce90cac8
RANDOM SEED=2028811041

node107.alineos.net Linux 2.6.18-164.el5 #1 SMP Thu Sep 3 03:28:30 EDT 2009

/proc/cpuinfo:
processor	: 0
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 0
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5333.65
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 1
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 0
cpu cores	: 4
apicid		: 16
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 2
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 2
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.67
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 3
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 1
cpu cores	: 4
apicid		: 18
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.82
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 4
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 4
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.74
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 5
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 2
cpu cores	: 4
apicid		: 20
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5359.47
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 6
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 0
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 6
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.75
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]

processor	: 7
vendor_id	: GenuineIntel
cpu family	: 6
model		: 26
model name	: Intel(R) Xeon(R) CPU           X5550  @ 2.67GHz
stepping	: 5
cpu MHz		: 2666.829
cache size	: 8192 KB
physical id	: 1
siblings	: 4
core id		: 3
cpu cores	: 4
apicid		: 22
fpu		: yes
fpu_exception	: yes
cpuid level	: 11
wp		: yes
flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm syscall nx rdtscp lm constant_tsc ida nonstop_tsc pni monitor ds_cpl vmx est tm2 cx16 xtpr popcnt lahf_lm
bogomips	: 5332.83
clflush size	: 64
cache_alignment	: 64
address sizes	: 40 bits physical, 48 bits virtual
power management: [8]


/proc/meminfo:
MemTotal:     32951124 kB
MemFree:      21115524 kB
Buffers:        241080 kB
Cached:        2446132 kB
SwapCached:       9844 kB
Active:       10158144 kB
Inactive:      1357548 kB
HighTotal:           0 kB
HighFree:            0 kB
LowTotal:     32951124 kB
LowFree:      21115524 kB
SwapTotal:    67111528 kB
SwapFree:     46575272 kB
Dirty:           19220 kB
Writeback:           0 kB
AnonPages:     8825848 kB
Mapped:          32832 kB
Slab:           154008 kB
PageTables:      95324 kB
NFS_Unstable:        0 kB
Bounce:              0 kB
CommitLimit:  83587088 kB
Committed_AS: 145504108 kB
VmallocTotal: 34359738367 kB
VmallocUsed:    296008 kB
VmallocChunk: 34359440975 kB
HugePages_Total:     0
HugePages_Free:      0
HugePages_Rsvd:      0
Hugepagesize:     2048 kB

Free space on /tmp at the end= 73216 MiB
End job on node107 at 2011-05-17 02:24:28